Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375817 | Hot blast stove and method for constructing a hot blast stove | Nicolaas G. J. Bleijendaal, August H. Hendriks, Jacobus Van Laar | 1994-12-27 |
| 5358223 | Hot-blast main for hot-blast stove system of a blast furnace | Nicolaas G. J. Bleijendaal, Jacob Felthuis | 1994-10-25 |
| 5052922 | Ceramic gas burner for a hot blast stove, and bricks therefor | Johannes J. De Wit | 1991-10-01 |
| 5031882 | Channel structure for flow of molten pig iron | Jacobus Van Laar, Frank Kaptein | 1991-07-16 |
| 4881895 | Ceramic gas burner for a combustion chamber of a hot-blast stove | Jacob Felthuis | 1989-11-21 |
| 4863378 | Ceramic burner for a hot-blast stove | Jacob Felthuis | 1989-09-05 |
| 4852859 | Gastight bottom construction for a shaft furnace | Jacobus Van Laar, Frank Niemeijer | 1989-08-01 |